<!DOCTYPE HTML>
<html class="reftest-wait">
<head>
<script>
function doTest() {
  var text = document.body.firstChild;
  // Delete a line, then make a change after it
  text.deleteData(8, 7);
  text.replaceData(55, 1, "8");
  document.documentElement.removeAttribute('class');
}
document.addEventListener("MozReftestInvalidate", doTest, false);
</script>
</head>
<body style="white-space:pre; padding: 2px; font-family: sans-serif;">
Line 1
Line 2
Line 2
Line 3
Line 4
Line 5
Line 6
Line 7
Line X
Line 9
</body>
</html>